# def doubler(l):
#     for item in range(0,len(l)):
#         l[item] *= 2
#     return l
#
# list_value = [1,2,3,4,5]
# print(doubler(list_value))
# print(doubler(list_value))

def doubler(l):
    new_list = []
    for item in l:
        new_list.append(item * 2)
    return new_list

list_value = [1,2,3,4,5]
print(doubler(list_value))
print(doubler(list_value))